Set-square



FIG. 1 is a bottom plan view of a set-square showing our new design;

FIG. 2 is a right side elevational;

FIG. 3 is a top plan view;

FIG. 4 is a left side elevational;

FIG. 5 is a front elevational view; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a set-square, as shown and described. 